CaratHunter
Plans
Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG523298092

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG523298092

Diamond specifications and retailer prices

From $411 AUD
$289 USD
As of November 1, 2026
Save $1,266 AUD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,678 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG523298092 or 523298092. Listed at 15 retailers as of November 1, 2026, with prices from $411 to $1,678, a $1,266 spread on the same certified stone. MOH London lists it at $1,678. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523298092
Dimensions7.72 × 5.62 × 3.88 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm5.62 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523298092
Side View
Table 64.0%Crown 41.5°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,678 AUD|Low: $337 AUD|High: $1,848 AUD|Avg: $866 AUD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 9$337 AUD
Retailer 7$391 AUD
Retailer 6$411 AUD
Retailer 14$419 AUD
Retailer 5$456 AUD
Retailer 13$708 AUD
Retailer 8$743 AUD
Retailer 4$755 AUD
Retailer 2$786 AUD
Retailer 11$885 AUD
Retailer 10$1,347 AUD
Retailer 12$1,351 AUD
Retailer 3$1,421 AUD
MOH London$1,678 AUD

43 data points across 14 retailers

15 retailers$411 AUD to $1,678 AUD

Retailer 1
-
$337 AUD
$237 USD
Price last confirmed 13 days ago
Retailer 2
-
$391 AUD
$275 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$411 AUD
$289 USD
View
Final sale: no returns
Retailer 4
-
$419 AUD
$294 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$419 AUD
$294 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$450 AUD
$316 USD
View
Price last confirmed 37 days ago
B+
Retailer 7
-
$708 AUD
$497 USD
View
B+
Retailer 8
-
$743 AUD
$522 USD
View
B+
Retailer 9
-
$786 AUD
£435 GBP
View
B+
Retailer 10
-
$885 AUD
$622 USD
View
Retailer 11
-
$1,347 AUD
$946 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,351 AUD
$949 USD
View
B
Retailer 13
-
$1,355 AUD
£750 GBP
View
B
Retailer 14
-
$1,421 AUD
$998 USD
View
Most Expensive
B
MOH London
LG523298092 · Nov 1
$1,678 AUD
£928 GBP
View
14 more retailers have this diamond
Prices start from $411 AUDSave up to $1,266 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.54ct Radiant
$411 AUD